<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>后盾人</title>
  </head>
  <body>
    <div id="app">后盾人</div>
    <img src="" alt="" />
    <img src="" alt="" />
    <img src="" alt="" />
    <a href="" name="n1">yahoo.com</a>
    <a href="" name="n2"></a>
    <a href="" name="n3"></a>
    <form action=""></form>
    <form action=""></form>
    <form action=""></form>
    <script>
      // console.log(document.childNodes[1].childNodes[2])
      // console.log(document.querySelector('body'))
      // console.log(document.body)
      // console.log(document.head)
      // console.log(app)

      // console.log(document.links[0].innerHTML)

      // console.log(document.anchors.n1.innerHTML)

      // console.log(document.forms)
      console.log(document.documentElement)
    </script>
  </body>
</html>
